NASA's Day of Remembrance

Timothy Gagnon of Titusville pauses in front of the Space Mirror during NASA Day of Remembrance to pay tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia at the Kennedy Space Center Visitor Complex in Florida.

Timothy Gagnon of Titusville pauses in front of the Space Mirror during NASA Day of Remembrance to pay tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia at the Kennedy Space Center Visitor Complex in Florida. (RED HUBER, ORLANDO SENTINEL)

Timothy Gagnon of Titusville pauses in front of the Space Mirror during NASA Day of Remembrance to pay tribute to the crews of Apollo 1 and space shuttles Challenger and Columbia at the Kennedy Space Center Visitor Complex in Florida.RED HUBER, ORLANDO SENTINEL